Search 1,000 of PHOTOSGrace Patricia Kelly (November 12, 1929 – September 14, 1982) was an American actress who, in April 1956, married Rainier III, Prince of Monaco, to become Princess consort of Monaco, styled as Her Serene Highness The Princess of Monaco, and commonly referred to as Princess Grace. She retired from acting at 26 to enter upon her duties in Monaco.